United States Edition

USDA Hardiness Zone 9b

Zone 9b is a zone in the USDA Hardiness climate zone rating system. The USDA Hardiness system can be useful to gardeners in establishing if certain plants are suitable for your garden's microclimate and was originally devised by the US department of agriculture. There are currently 1038 gardens being tracked on Folia that are in USDA Zone 9b.

Typical example plants that tend to grow vigorously in this zone include Rose, Chili pepper, Sweet pepper, Lettuce, Tomato, Spinach, Basil, Bean, Carrot and Cucumber.

Some locations recently identified as being in this zone include Lake Forest, CA (United States), Cardiff (United Kingdom), Moorpark (United States), Indian Rocks Beach (United States), (United States), Orinda, ca (United States), San Diego (United States), Sarasota, Florida (United States), (United States), (United States), West Phoenix Arizona (United States), Raymondville, Texas (United States), Corowa (Australia), Harlingen (United States), Vacaville (United States), Rohnert park (United States), Mesa, (United States), Irvine (United States), (France), San Tan Valley, Phoenix (United States), Orange County (United States), St. Petersburg (United States), Brea (United States), Hobart (Australia), South Orlando (United States), CAstelo de Vide (Portugal), Mecca (United States), Phoenix (United States), North Phoenix (United States) and Houma (United States).

If your area is defined as within 9b, you typically get low temperatures of between -3°C (27°F) and -1°C (30°F)

Zone 9b has a corresponding Sunset zone of 16-22.

Due to large differences in average temperature, USDA Zone 9b is typically known as Zone 3 in Australia.

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Popular plants for zone 9b gardens

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